Erucic
acid 【化学】芥(子)酸
🗣️ 情景例句
OK, Philip. This is your third cup of coffee.
好啦 Philip。这是你第三杯咖啡了。
In college I majored in science, What was your major?
大学时我主修自然科学，你主修什么呢？
Just two weeks.
只有两个星期。